Home / 23,291.48-32,142.88-13,220.36

Finding the Fourth Proportional to 23,291.48, 32,142.88 and 13,220.36

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Solution

The fourth proportional to 23,291.48, 32,142.88 and 13,220.36 is: 18,244.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,291.48 : 32,142.88 = 13,220.36 : x
  2. Step 2: Convert to fraction form
    23,291.48/32,142.88 = 13,220.36/x
  3. Step 3: Cross multiply
    23,291.48x = 32,142.88 × 13,220.36
  4. Step 4: Simplify right side
    23,291.48x = 424,940,445.04
  5. Step 5: Solve for x
    x = 424,940,445.04/23,291.48
  6. Step 6: Final answer
    x = 18,244.46

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Half scale
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Double scale
Find fourth proportional to 23,292.48, 32,144.26 and 13,221.36
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.